Correct Answer: Option D

Explanation

From Ohm's law, V = IR

But R = total resistance of the circuit.

12 = 2( 3 + \(R_{parallel}\))

12 = 2(3 + \(\frac{6R}{6 + R}\))

6 = \(\frac{18 + 3R + 6R}{6 + R}\)

36 + 6R = 18 + 9R

9R - 6R = 36 - 18

3R = 18

R = \(\frac{18}{3}\) = 6 \(\Omega\)

• How can I get better at wave length 😭? Answer this

  1 Answers   ·   Physics   ·   3 days ago
• What can i study with 155 score in science course? Answer this

  3 Answers   ·   Biology   ·   3 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  3 Answers   ·   Mathematics   ·   4 days ago